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5 Written questions

5 Matching questions

  1. Inhibitor
  2. Reactants
  3. Coeffecient
  4. The Basic ingredient in a Firework
  5. Matter
  1. a Anything that has mass and takes up space
  2. b Star Pellet
  3. c The substances you have at the beginning of a chemical equation
  4. d A material used to decrease the rate of a reaction
  5. e The number placed in front of a chemical formula in an equation

5 Multiple choice questions

  2. Matter can enter or escape to the surroundings
  3. A change in matter that produces one ore more new substances
  4. Aerial shells/charges
  5. A rapid reaction between oxygen and fuel that results in fire

5 True/False questions

  1. CatalystA material that increases the rate of a reaction by lowering the activation energy


  2. Chemical Equationa shorthand way to use chemical symbols and numbers to describe a chemical reaction


  3. Physical PropertyA characteristic of a substance into another substance


  4. Conservation of MassDuring a Chemical Reaction Matter is not created or destroyed


  5. Closed SystemMatter can enter or escape to the surroundings